Do buy the highest level of security that your budget will allow. High level security is recommended by the Police Department and Insurance Companies.

Do use the best quality locks to secure gates leading to your fire escape.

Do turn off the telephone ringer when you are away from home for an extended period. An unanswered telephone signals to intruders that no one is home.

Do install a 180-degree peephole so that you can inspect your hallway without opening the door.

Do ask to see the identity of someone claiming to be from the utility or telephone company. A genuine worker will be pleased that you asked and will give you their card. Inspect the card carefully before allowing them to enter your home.

Do re-key your locks immediately if you lose your key.

Do ask your locksmith for a valid license id. By law, he must carry one.

When in doubt, ask for advice from your locksmith or from the Crime Prevention Officer at your local precinct.

"DON'Ts"

Do Not leave a spare key outside your home. Most hiding places are obvious to intruders.

Do Not leave your keys in or near the lock or where it might easily be seen and taken by a thief.

Do Not mark your keys with your identification or address.

If you have a telephone answering machine, Do Not leave a message revealing that you are away from home.